Re: [RFC V2 1/8] perf: Consolidate branch sample filter helpers

[Peter Zijlstra]

On Tue, Apr 12, 2022 at 05:24:48PM +0530, Anshuman Khandual wrote:
> Besides the branch type filtering requests, 'event.attr.branch_sample_type'
> also contains various flags indicating which additional information should
> be captured, along with the base branch record. These flags help configure
> the underlying hardware, and capture the branch records appropriately when
> required e.g after PMU interrupt. But first, this moves an existing helper
> perf_sample_save_hw_index() into the header before adding some more helpers
> for other branch sample filter flags.
> 
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> Cc: linux-perf-users@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>